def test_segment_crud(self):
# Create
segment = Segment(name='Foo')
db.session.add(segment)
db.session.commit()
self.assertIn(segment, Segment.query.all())
self.assertIsInstance(segment.created_at, DT.datetime)
self.assertIsInstance(segment.updated_at, DT.datetime)
# Read
segment = Segment.query.filter_by(name='Foo').first()
self.assertEqual(segment.name, 'Foo')
# Update
old_created_at = segment.created_at
old_updated_at = segment.updated_at
segment.name = 'Bar'
segment = Segment.query.filter_by(name='Bar').first()
self.assertIsInstance(segment, Segment)
self.assertEqual('Bar', segment.name)
self.assertEqual(segment.created_at, old_created_at)
self.assertNotEqual(segment.updated_at, old_updated_at)
# Delete
db.session.delete(segment)
count = Segment.query.filter_by(name='Bar').count()
self.assertEqual(0, count)
